package com.qigao.erp.commons.utils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.google.common.collect.Maps;
import org.apache.commons.io.IOUtils;
import org.apache.http.*;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.CookieSpecs;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.conn.ssl.X509HostnameVerifier;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.apache.http.ssl.SSLContextBuilder;
import org.apache.http.ssl.SSLContexts;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.StreamUtils;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import java.io.*;
import java.nio.charset.Charset;
import java.security.GeneralSecurityException;
import java.security.KeyStore;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @Author:luiz
 * @Date: 2018/2/23 15:55
 * @Descripton:
 * @Modify :
 **/
public class HttpClientUtil {
    private static final Logger logger= LoggerFactory.getLogger(HttpClientUtil.class);
    private static PoolingHttpClientConnectionManager connMgr;
    private static RequestConfig requestConfig;
    private static final int MAX_TIMEOUT =10000;//默认十秒超时

    static {
        // 设置连接池
        connMgr = new PoolingHttpClientConnectionManager();
        // 设置连接池大小
        connMgr.setMaxTotal(100);
        connMgr.setDefaultMaxPerRoute(connMgr.getMaxTotal());

        RequestConfig.Builder configBuilder = RequestConfig.custom();
        // 设置连接超时
        configBuilder.setConnectTimeout(MAX_TIMEOUT);
        // 设置读取超时
        configBuilder.setSocketTimeout(MAX_TIMEOUT);
        // 设置从连接池获取连接实例的超时
        configBuilder.setConnectionRequestTimeout(MAX_TIMEOUT);
        // 在提交请求之前 测试连接是否可用
        configBuilder.setStaleConnectionCheckEnabled(true);
        //解决Cookie rejected 问题
        configBuilder.setCookieSpec(CookieSpecs.IGNORE_COOKIES);
        requestConfig = configBuilder.build();
    }

    /**
     * 发送 GET 请求（HTTP），不带输入数据
     * @param url
     * @return
     */
    public static String doGet(String url) {
        return doGet(url, new HashMap<String, Object>());
    }

    public static InputStream doGetStream(String url) {
        String apiUrl = url;
        StringBuffer param = new StringBuffer();
        int i = 0;
        HttpClient httpclient = new DefaultHttpClient();
        try {
            logger.debug("[http工具类]请求参数:",apiUrl);
            HttpGet httpGet = new HttpGet(apiUrl);
            HttpResponse response = httpclient.execute(httpGet);
            int statusCode = response.getStatusLine().getStatusCode();

            logger.debug("[http工具类]响应状态:",statusCode);

            HttpEntity entity = response.getEntity();
            if (entity != null) {
                InputStream instream = entity.getContent();
                return instream;
            }
        } catch (IOException e) {
            logger.error("[http工具类]请求发生异常:",e);
        }
        return null;
    }

    /**
     * 发送 GET 请求（HTTP），K-V形式
     * @param url
     * @param params
     * @return
     */
    public static String doGet(String url, Map<String, Object> params) {
        String apiUrl = url;
        StringBuffer param = new StringBuffer();
        int i = 0;
        for (String key : params.keySet()) {
            if (i == 0)
                param.append("?");
            else
                param.append("&");
            param.append(key).append("=").append(params.get(key));
            i++;
        }
        apiUrl += param;
        String result = null;
        HttpClient httpclient = new DefaultHttpClient();
        try {
            logger.debug("[http工具类]请求参数:",apiUrl);
            HttpGet httpGet = new HttpGet(apiUrl);
            HttpResponse response = httpclient.execute(httpGet);
            int statusCode = response.getStatusLine().getStatusCode();

            logger.debug("[http工具类]响应状态:",statusCode);

            HttpEntity entity = response.getEntity();
            if (entity != null) {
                InputStream instream = entity.getContent();
                result = IOUtils.toString(instream, "UTF-8");
            }
            logger.debug("[http工具类]响应信息:",result);
        } catch (IOException e) {
            logger.error("[http工具类]请求发生异常:",e);
        }
        return result;
    }

    /**
     * 发送 POST 请求（HTTP），不带输入数据
     * @param apiUrl
     * @return
     */
    public static String doPost(String apiUrl,String jsonStr) {
        return doPost(apiUrl, JSONObject.parseObject(jsonStr));
    }

    /**
     * 发送 POST 请求（HTTP），K-V形式
     * @param apiUrl API接口URL
     * @param params 参数map
     * @return
     */
    public static String doPost(String apiUrl, Map<String, Object> params) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        String httpStr = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;
        try {
            httpPost.setConfig(requestConfig);
            List<NameValuePair> pairList = new ArrayList<>(params.size());
            for (Map.Entry<String, Object> entry : params.entrySet()) {
                NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
                        .getValue().toString());
                pairList.add(pair);
            }
            httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("UTF-8")));
            logger.info("[http工具类]请求地址:{}请求参数:{}",apiUrl,params);
            response = httpClient.execute(httpPost);
            if(302==response.getStatusLine().getStatusCode()){
                Header header = response.getFirstHeader("location"); // 跳转的目标地址是在 HTTP-HEAD 中的
               String newUri = header.getValue(); // 这就是跳转后的地址，再向这个地址发出新申请，以便得到跳转后的信息是啥。
              return doPost(newUri,params);
            }
            HttpEntity entity = response.getEntity();
            httpStr = EntityUtils.toString(entity, "UTF-8");
            logger.info("[http工具类]响应内容:{}",httpStr);
        } catch (IOException e) {
            logger.error("[http工具类]请求发生IO异常:",e);
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    logger.error("[http工具类]请求发生IO异常1:",e);
                }
            }
        }
        return httpStr;
    }

    public static byte[] doPostByte(String apiUrl, Map<String, Object> params) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;
        try {
            httpPost.setConfig(requestConfig);
            /*List<NameValuePair> pairList = new ArrayList<>(params.size());
            for (Map.Entry<String, Object> entry : params.entrySet()) {
                NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
                        .getValue().toString());
                pairList.add(pair);
            }
            httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("UTF-8")));*/
            httpPost.addHeader(HTTP.CONTENT_TYPE, "application/json");
            String body = JSON.toJSONString(params);           //必须是json模式的 post
            StringEntity paramEntity= new StringEntity(body);
            httpPost.setEntity(paramEntity);
            response = httpClient.execute(httpPost);
            String contentType=response.getEntity().getContentType().toString();
            logger.info("[http工具类]请求地址:{}请求参数:{}contentType:{}",apiUrl,params,contentType);
            HttpEntity entity = response.getEntity();
            if(contentType.contains("application/json")){
                String contentStr=IOUtils.toString(entity.getContent(),"UTF-8");
                logger.info(JSONObject.parseObject(contentStr).toJSONString());
            }
            return StreamUtils.copyToByteArray(entity.getContent());
        } catch (IOException e) {
            logger.error("[http工具类]请求发生IO异常:",e);
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    logger.error("[http工具类]请求发生IO异常1:",e);
                }
            }
        }
        return null;
    }

    /**
     * 发送 POST 请求（HTTP），K-V形式
     * @param apiUrl API接口URL
     * @param reqParams 请求参数
     * @return
     */
    public static String doPostStr(String apiUrl, String reqParams) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        String httpStr = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;
        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity=new StringEntity(reqParams,"utf-8");
            stringEntity.setContentType("application/x-www-form-urlencoded");
            httpPost.setEntity(stringEntity);
            logger.info("[http工具类]请求地址:{}请求参数:{}",apiUrl,reqParams);
            response = httpClient.execute(httpPost);
            /*if(302==response.getStatusLine().getStatusCode()){
                Header header = response.getFirstHeader("location"); // 跳转的目标地址是在 HTTP-HEAD 中的
                String newUri = header.getValue(); // 这就是跳转后的地址，再向这个地址发出新申请，以便得到跳转后的信息是啥。
                return doPost(newUri,reqParams);
            }*/
            HttpEntity entity = response.getEntity();
            httpStr = EntityUtils.toString(entity, "UTF-8");
            logger.info("[http工具类]响应内容:{}",httpStr);
        } catch (IOException e) {
            logger.error("[http工具类]请求发生IO异常:",e);
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    logger.error("[http工具类]请求发生IO异常1:",e);
                }
            }
        }
        return httpStr;
    }

    /**
     * 发送 POST 请求（HTTP），JSON形式
     * @param apiUrl
     * @param json json对象
     * @return
     */
    public static String doPost(String apiUrl, JSONObject json) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        String httpStr = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;

        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(json.toString(),"UTF-8");//解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
            stringEntity.setContentType("application/json");
            httpPost.setEntity(stringEntity);
            logger.debug("[http工具类]请求地址:请求参数:",apiUrl,json.toString());
            response = httpClient.execute(httpPost);
            HttpEntity entity = response.getEntity();
            logger.debug("[http工具类]响应状态码:",response.getStatusLine().getStatusCode());
            httpStr = EntityUtils.toString(entity, "UTF-8");
        } catch (IOException e) {
            logger.error("[http工具类]请求发生IO异常:",e);
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    logger.error("[http工具类]请求发生IO异常1:",e);
                }
            }
        }
        return httpStr;
    }

    public static String postXmlWithKey(String url, String xml, String cerPath, String mchId)  {
        HttpEntity entity = null;
        StringBuilder sb = new StringBuilder();
        try {
            InputStream in = new FileInputStream(new File(cerPath));
            KeyStore keyStore = KeyStore.getInstance("PKCS12");
            try {
                keyStore.load(in, mchId.toCharArray());
            } finally {
                in.close();
            }
            // Trust own CA and all self-signed certs
            SSLContext sslcontext = SSLContexts.custom()
                    .loadKeyMaterial(keyStore, mchId.toCharArray())
                    .build();
            // Allow TLSv1 protocol only
            SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
                    sslcontext,
                    new String[]{"TLSv1"},
                    null,
                    SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
            CloseableHttpClient client = HttpClients.custom()
                    .setSSLSocketFactory(sslsf)
                    .build();
            HttpPost httpPost = new HttpPost(url);
            httpPost.setHeader(HTTP.CONTENT_TYPE, "application/x-www-form-urlencoded");
            StringEntity payload = new StringEntity(xml, "UTF-8");
            httpPost.setEntity(payload);
            HttpResponse response = client.execute(httpPost);
            entity = response.getEntity();
            String text;
            if (entity != null) {
                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(entity.getContent()));
                while ((text = bufferedReader.readLine()) != null) {
                    sb.append(text);
                }
            }
        } catch (Exception e) {
            logger.error("与[" + url + "]通信过程中发生异常,堆栈信息如下{}", e);
        } finally {
            try {
                EntityUtils.consume(entity);
            } catch (IOException ex) {
                ex.printStackTrace();
                logger.error("net io exception");
            }
        }
        return sb.toString();
    }
    /**
     * 发送 SSL POST 请求（HTTPS），K-V形式
     * @param apiUrl API接口URL
     * @param params 参数map
     * @return
     */
    public static String doPostSSL(String apiUrl, Map<String, Object> params) {
        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;
        String httpStr = null;

        try {
            httpPost.setConfig(requestConfig);
            List<NameValuePair> pairList = new ArrayList<NameValuePair>(params.size());
            for (Map.Entry<String, Object> entry : params.entrySet()) {
                NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
                        .getValue().toString());
                pairList.add(pair);
            }
            httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("utf-8")));
            response = httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "utf-8");
        } catch (Exception e) {
            logger.error("[http工具类]请求发生IO异常:",e);
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    logger.error("[http工具类]请求发生IO异常1:",e);
                }
            }
        }
        return httpStr;
    }

    /**
     * 发送 SSL POST 请求（HTTPS），JSON形式
     * @param apiUrl API接口URL
     * @param json JSON对象
     * @return
     */
    public static String doPostSSL(String apiUrl, Object json) {
        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;
        String httpStr = null;

        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(json.toString(),"UTF-8");//解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
            stringEntity.setContentType("application/json");
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "utf-8");
        } catch (Exception e) {
            logger.error("[http工具类]请求发生IO异常:",e);
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    logger.error("[http工具类]请求发生IO异常1:",e);
                }
            }
        }
        return httpStr;
    }

    /**
     * 创建SSL安全连接
     *
     * @return
     */
    private static SSLConnectionSocketFactory createSSLConnSocketFactory() {
        SSLConnectionSocketFactory sslsf = null;
        try {
            SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {

                public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
                    return true;
                }
            }).build();
            sslsf = new SSLConnectionSocketFactory(sslContext, new X509HostnameVerifier() {

                @Override
                public boolean verify(String arg0, SSLSession arg1) {
                    return true;
                }

                @Override
                public void verify(String host, SSLSocket ssl) throws IOException {
                }

                @Override
                public void verify(String host, X509Certificate cert) throws SSLException {
                }

                @Override
                public void verify(String host, String[] cns, String[] subjectAlts) throws SSLException {
                }
            });
        } catch (GeneralSecurityException e) {
            logger.error("[http工具类]SSL发生异常:",e);
        }
        return sslsf;
    }



    /**
     * 发送 POST 请求（HTTP），multipart/form-data形式
     * @param apiUrl API接口URL
     * @param reqParams 请求参数
     * @return
     */
    public static String doPostMutPart(String apiUrl, Map<String,String> reqParams,InputStream file,String cerPath,String keyPassWord) {
        //CloseableHttpClient httpClient = HttpClients.createDefault();
        String httpStr = null;
        CloseableHttpResponse response = null;
        try {
            InputStream in=Thread.currentThread().getContextClassLoader().getResourceAsStream(cerPath);
            //InputStream in = new FileInputStream(new File(""));
            KeyStore keyStore = KeyStore.getInstance("PKCS12");
            try {
                keyStore.load(in, keyPassWord.toCharArray());
            } finally {
                in.close();
            }
            // Trust own CA and all self-signed certs
            SSLContext sslcontext = SSLContexts.custom()
                    .loadKeyMaterial(keyStore, keyPassWord.toCharArray())
                    .build();
            // Allow TLSv1 protocol only
            SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
                    sslcontext,
                    new String[]{"TLSv1"},
                    null,
                    SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
            CloseableHttpClient client = HttpClients.custom()
                    .setSSLSocketFactory(sslsf)
                    .build();
            HttpPost httpPost = new HttpPost(apiUrl);

            httpPost.setConfig(requestConfig);
            MultipartEntityBuilder builder=MultipartEntityBuilder.create();
            for (Map.Entry<String,String> entry:reqParams.entrySet()){
                builder.addTextBody(entry.getKey(),entry.getValue(),ContentType.MULTIPART_FORM_DATA);
            }
            File file1=new File("D:\\tupian\\123.jpg");
            builder.addBinaryBody("media", file1,ContentType.create("image/jpg"), file1.getName());
            HttpEntity rEntity=builder.build();
            httpPost.setEntity(rEntity);
            httpPost.addHeader(HTTP.CONTENT_TYPE, "multipart/form-data; charset=UTF-8");
            logger.info("[http工具类]请求地址:{}请求参数:{}",apiUrl,reqParams);
            response = client.execute(httpPost);
            HttpEntity entity = response.getEntity();
            httpStr = EntityUtils.toString(entity, "UTF-8");
            logger.info("[http工具类]响应内容:{}",httpStr);
        } catch (Exception e) {
            logger.error("[http工具类]请求发生IO异常:",e);
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    logger.error("[http工具类]请求发生IO异常1:",e);
                }
            }
        }
        return httpStr;
    }
    /**
     * 发送 POST 请求（HTTP），K-V形式
     * @param apiUrl API接口URL
     * @param reqParams 请求参数
     * @return
     */
    public static String doPostStrSSL(String apiUrl, String reqParams,String cerPath,String keyPassWord) {
        String httpStr = null;
        CloseableHttpResponse response = null;
        try {
            InputStream in=Thread.currentThread().getContextClassLoader().getResourceAsStream(cerPath);
            //InputStream in = new FileInputStream(new File(""));
            KeyStore keyStore = KeyStore.getInstance("PKCS12");
            try {
                keyStore.load(in, keyPassWord.toCharArray());
            } finally {
                in.close();
            }
            // Trust own CA and all self-signed certs
            SSLContext sslcontext = SSLContexts.custom()
                    .loadKeyMaterial(keyStore, keyPassWord.toCharArray())
                    .build();
            // Allow TLSv1 protocol only
            SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
                    sslcontext,
                    new String[]{"TLSv1"},
                    null,
                    SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
            CloseableHttpClient client = HttpClients.custom()
                    .setSSLSocketFactory(sslsf)
                    .build();
            HttpPost httpPost = new HttpPost(apiUrl);
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity=new StringEntity(reqParams,"utf-8");
            stringEntity.setContentType("application/x-www-form-urlencoded");
            httpPost.setEntity(stringEntity);
            logger.info("[http工具类]请求地址:{}请求参数:{}",apiUrl,reqParams);
            response = client.execute(httpPost);
            /*if(302==response.getStatusLine().getStatusCode()){
                Header header = response.getFirstHeader("location"); // 跳转的目标地址是在 HTTP-HEAD 中的
                String newUri = header.getValue(); // 这就是跳转后的地址，再向这个地址发出新申请，以便得到跳转后的信息是啥。
                return doPost(newUri,reqParams);
            }*/
            HttpEntity entity = response.getEntity();
            httpStr = EntityUtils.toString(entity, "UTF-8");
            logger.info("[http工具类]响应内容:{}",httpStr);
        } catch (Exception e) {
            logger.error("[http工具类]请求发生IO异常:",e);
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    logger.error("[http工具类]请求发生IO异常1:",e);
                }
            }
        }
        return httpStr;
    }

    /**
     * 测试方法
     * @param args
     */
    public static void main(String[] args) throws Exception {
        Map params= Maps.newHashMap();
        params.put("orderNo", "12345788");
        params.put("bizCode", "aaa");
        params.put("auditResult", "01");
        params.put("auditComment", "测试");
        HttpClientUtil.doPost("http://10.103.20.26:9323/risk/notify.html",params);
    }


}
